EEE: 1. Introduction to Course and syllabus (JNTU Hyd)

Video Content

ELEMENTS OF EARTHQUAKE ENGINEERING

(JNTU-Hyderabad) R13 & R15

Syllabus contents:

Unit-I

ENGINEERING SEISMOLOGY:

Earthquake phenomenon, causes of earthquakes, Faults, Plate tectonics, Seismic waves, Terms associated with earthquakes, Magnitude/Intensity of Earthquake, Scales , Energy released, Earthquake measuring instruments, Seismologic-Seismograph, accelerator graph, Strong ground motions, Seismic zones of India, Theory of Vibrations: Elements of a vibratory system, Degrees of freedom, Continuous system, Lumped mass idealization, Oscillatory motion, Simple harmonic motion, Free vibration of single degree of freedom (SDOF) system, Unhampered, damped and critical damping, Logarithmic decrements- forced vibrations, Harmonic excitation, Dynamic magnification factor, Excitation by rigid based translation for SDOF system , Earthquake ground motion.

Unit-II

CONCEPTUAL DESIGN:  Introduction, Functional planning, Continuous load path, Overall form, simplicity and symmetry, elongated shapes, stiffness and strength, Horizontal and vertical members, Twisting of buildings, ductility, definition, ductility relationships, flexible buildings, framing systems, choice of construction materials, unconfined concrete, Confined concrete masonry, reinforcing steel, Introduction to earthquake resistant design: Seismic design requirements – Regular and irregular configurations, basic assumptions, design earthquake loads, basic load combinations, permissible stresses, seismic methods of analysis, factors in seismic analysis, equivalent lateral force method.

Unit-III

REINFORCED CONCRETE BUILDINGS:

Principles of earthquake resistant design of RC members, structural models for frame buildings, seismic methods of analysis, seismic design methods, IS code based methods for seismic design, seismic evaluation and retrofitting, vertical irregularities, plan configuration problems, lateral load resisting systems, determination of design lateral forces, equivalent lateral force procedure, lateral distribution of base shear.

Unit-IV

MASONRY BUILDINGS:

Introduction, Elastic properties of masonry assemblage, categories of masonry buildings, behavior of un reinforced and reinforced masonry walls- behavior f walls – Box action and bands – Behavior of infill walls – Improving seismic behavior of masonry buildings, load combinations and permissible stresses, seismic design requirements, lateral load analysis of masonry buildings

Unit-V:

STRUCTURAL WALLS AND NON STRUCTURAL ELEMENTS:

Strategies in the location of structural walls – Sectional shapes, variations in elevation, cantilever walls without openings, Failure mechanism of non structures – Effects of non-structural elements on structural system – Analysis of non-structural elements – Prevention of non structural damage Isolation of non structures, Ductility considerations in Earthquake resistant design of RC buildings: Introduction, Impact of Ductility, Requirements for ductility, Assessment of Ductility, Factors affecting ductility, Ductile detailing considerations as per IS 13920. Behavior of beams, columns, and joints in RC buildings during earthquakes –Vulnerability of open ground storey and short columns during earthquake